INDEX. 



60T 



PAGE. 



Canadensis, L 471 



Canadensis, Bong. var. /3., Hook. 471 



contorta, Dougl 466 



contorla, Dougl 467 



var. latifolia, Engelin 467 



Bouglasii, Lambert 472 



flexilis, Jbmes 465 



flexihs. Lyall 465 



var. albicaulis, Engel 465 



grandis, Dougl 474 



inops, Hook 466, 467 



Lambertiana, Hook., var. p 465 



Larix, Dougl 475 



lasiocarpa, Hook 474 



Menziesii, Dougl 470 



Mertensiana, Bong 471 



microcarpa, Lanibert 475 



monticola, Dougl 464 



Murray ana, Balfour 467 



nigra. Ait 468 



Nuttallii, Parlatore 475 



Pattoniana, McNab ; 471 



pmdvla,Hoo]s. 476 



pendvla, Ait 475 



ponderosa, Dougl 466 



ponderosa, Dougl., var. scopulo- 



rum, Engl 466 



porphyrocarpa, Lawson 464 



resinosa. Ait 465 



resinosa. Hook 466 



rigida, Miller 467 



rubra, Mx 465 



rubra, Lam 468 



rupestris, Mx 468 



Sitchensis, Bong . .470 



Strobus, L 464 



Strobus, Hook 464 



Strobus, var. monticola, Nutt. . .464 

 sylveslris, var- divaricata. Ait ... 468 

 taxifolia, Lambert 472 



PiPEEAOE* (lXXXVi) 419 



Pirus, L 145 



Americana, DC 146, 521 



var. microcarpa, T. & G. . . .522 



Ameri':ana, Eich 146 



arbutifolia, L 145, 521 



var. melanocarpa, Hook . . 146 



Aucuparia, Meyer 146 



Botryapium, L 148 



coronaria, L 145 



malus, L..-. 145,521 



melanocarpa, Willd 146 



oralis, Purah 149 



rivularis, Dougl 146 



sambucifolia,Cham.&Schlecht.l46 



sanguinea, Pursh 148, 149 



Pisum maritimum, L 121 



PLANTAGlNACEiB (lXXVIII) 391 



Plantago, L 391 



aristata, Mx 394 



Bigelovii, Gr 394 



PAGIf. 



Sigelovii,'WB,t 394 



cordata. Lamb 391 



data, Pursh 391 



decipiens, Barneoud 393 



eriopoda, Torr 392 



Knmtschaiica, Hook 392 



Kentuckensis, Mx 391 



Lagopus, Pursh 393 



lanceolata, L 393, 575 



lanceolata, var. /3., Hook 392 



var. y., Hook 392 



var. y., limbali, Syme 393 



macrocarpa, Cham. & Schl 392 



major, L 391 



var. Asiatioa, Decaisne.. ..392 

 var. bracteata, Macoun...392 

 var. minima, Decaisne — 392 



maritima. L 393, 575 



var. juncnides, Gr 393 



media, L 394 



Patagonica, Ja.cq., var. aristata, 



Gr ;....394 



var. gnaphaloides, Gr 393 



var. spinulosa, Gr 394 



"ora, Pursh 393 



pusilla, Nutt 394 



Eugellii, Decaisne 392, 574 



PLATANACBiB (XOIV) 432 



Platanus, L 432 



occidentalis, L 432 



Platypetalum dubium, E.Br 55 



purpurascens, E.Br 55 



Platystigma, Benth 34 



Oreganum, Benth 34 



Plectritis, DC 205 



congesta, DO 205 



cov-gesta, DC 541 



var. minor. Hook 541 



macrocera, T. & G 541 



samolifolia, Hoeok 541 



Pleurogyne, Eschsch 325 



Garinthiaca, Griseb, var. pusilla, 



Gr 325 



rotata, Griseb 325 



rotata, var. Americana, Hook... 325 



Podalyria iinctoria. L 123 



PLUMBAGiNACEa: (lix) 308 



Podophyllum, L 30 



peltatum, L 30 



Polanisia, Eaf 59 



graveolens, Eaf 59, 491 



PoLEMONIACEiE (lXV) 327 



Polemonium, L 830 



cseruleum, L 331, 567 



var. acutiiiorum, Ledeb . . ..331 



var. humile. Hook 331 



var. pulcherrimum. Hook. .331 



var. mdgare, Hook 331 



confertum, Gr 330 



humile, Willd 331 



var. pulchellum, Gr 331 



